This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: If two samples are selected from the same population, under what circumstances will the two samples ... (Read 76 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
on: Jun 20, 2018
If two samples are selected from the same population, under what circumstances will the two samples have exactly the same t statistic?
 
  a. The samples are the same size and have the same variance
  b. The samples are the same size and have the same mean
  c. The samples have the same mean and the same variance
  d. The samples are the same size and have the same mean and the same variance

Question 2

If a researcher is using a t statistic to test a null hypothesis about a population, what information is needed from the population to calculate the t statistic?
 
  a. You must know the population mean.
  b. You must know the population variance or standard deviation.
  c. You must know the population mean and the variance or standard deviation.
  d. The t statistic does not require any information about the population.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

itsakadoozi

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

D


Evvie72

  • Member
  • Posts: 519
Reply 2 on: Jun 20, 2018
Gracias!

Liddy

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Selected Miscellaneous Antibacterials Selected Miscellaneous Antibacterials
Population of Major Civilizations of Europe, Asia, and Africa, AD 1500 Population of Major Civilizations of Europe, Asia, and Africa, AD 1500
Rural versus Urban Population, 1820–1860 Rural versus Urban Population, 1820–1860
Selected Targeted Therapies and Miscellaneous Anticancer Drugs Selected Targeted Therapies and Miscellaneous Anticancer Drugs
Population and Settlement Population and Settlement
Percent of Selected Foods and Beverages Consumed in the United States Percent of Selected Foods and Beverages Consumed in the United States
Video: Stretch reflex & Tendon reflex

For a complete list of videos, visit our video library